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Share-Based Compensation (Details 6) - Restricted Stock [Member] - Nonemployees [Member] - $ / shares | 12 Months Ended
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Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Summary of activity of restricted stock awards granted to Non-employees- Shares |  |  |
Unvested shares at Beginning of Period | 10,000 | 17,333 | 25,333
Granted | 0 | 0 | 46,668
Vested | (8,000) | (7,333) | (54,668)
Forfeited | 0 | 0 | 0
Unvested shares at End of Period | 2,000 | 10,000 | 17,333
Expected to Vest as of End of Period | 2,000 |  |
Weighted Average Award-Date Fair Value for Non-Employee Restricted Stock |  |  |
Unvested shares at Beginning of Period | $ 3.31 | $ 3.66 | $ 2.70
Granted | 0.00 | 0.00 | 2.58
Vested | 3.63 | 3.79 | 3.63
Forfeited | 0.00 | 0.00 | 0.00
Unvested shares at End of Period | 5.88 | $ 3.31 | $ 3.66
Expected to Vest as of End of Period | $ 5.88 |  |

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